Hard disk buying guide

Today, the spaces for internal hard disk are getting bigger and bigger, it can be store up to 500 Gigabtyes but it also can meet the need of the consumer, so many hardware company had invented the uses of external hard disk to store the information. However, due to the many layer in the society, the company also design the hard disk different purpose, mainly is categorized it for company uses and home uses.

What criteria should you looking for your external hard disk for personal use:

1. Interface

Normally, the company provided the external hard disk into three different interface, which is PATA, SATA and SATA2. The PATA is the slowest interface which is low transfer speed, while the SATA2is the fastest interface which can transfer data in the rate up to 3GB per second and SATA is 1.5GB per second. So, when you buy a hard disk, you should looking for the terms of either PATA, SATA and SATA2 because it can affect you transfer rate.

          2.Size

The size of external hard disk is refer to the size of the storage you want to use. In this case, the size is the major factor that affect you buying decision because now a day, the company had provides variety of size you can choose, which from 50 GB up to 1 TB.

3.RPM

RPM reflects of the revolution per minute, it means the higher RPM of your hard disk, the higher the transfer speed because it depands on speed of the drive platter spins.

4.Size of hard disk

Today, many sizes of the hard disk are introduced in the market, which normally are 2.5'' and 3.5''. The different between 2 size is the 2.5'' are smaller and easy to caring while the 3.5'' are bigger and heavy as a netbook. Besides that, 3.5'' hard disk are need to connect with power supply but 2.5''hard disk is not. Last but not least, the 3.5'' are likely to provide more space than 2.5''. So, before buying decision make, you should able to know how much space yo need from external hard disk.

In conclusion, those criteria that mentioned in top is the information you need to looking for when buying a external hard disk. So, hope this information can be your guideline when buying a hard disk. Thank you...